APA (7th ed.) Citation

Ontario. Ministry of Transportation and Communications. Cartography Section. (1981). Ontario/Canada official road map: Ontario, yours to discover! The Ministry.

Chicago Style (17th ed.) Citation

Ontario. Ministry of Transportation and Communications. Cartography Section. Ontario/Canada Official Road Map: Ontario, Yours to Discover! Downsview, Ont.: The Ministry, 1981.

MLA (8th ed.) Citation

Ontario. Ministry of Transportation and Communications. Cartography Section. Ontario/Canada Official Road Map: Ontario, Yours to Discover! The Ministry, 1981.